#pragma once


template <typename T1,typename T2>
class xpair
{
public: 
	xpair(const T1 & first, const T2 & second)
	{
		NOTIMPL
	}

	xpair()
	{
		NOTIMPL
	}

	~xpair()
	{
		NOTIMPL
	}
	T1 first;
	T2 second;
};